Improvement in Spring-Hinges. Page: 2 of 2
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UNITED STATES PATENT OFFICE.
WILLIAM G. BARRY, OF PARIS, TEXAS.
IMPROVEMENT IN SPRING-HINGES.
Specification forming pat of Letters Patent No. 216,777, dated June 24, 1879; application filed
May 5,1879.
To all wieom it may co, scr: when the gate or door begins to open outward
Be it known that I, WILLIAV G. BARRY, of or to close, the spring is being stretched until
Paris, in the county of Lamar and State of the door or gate has reached an angle of forty-
Texas, have invented certain new and usefidul five degrees, at which point the greatest strain
Improvements in Hinges; and I do hereby de- is brought to bear upon the spring. As soon
clare the following to be a full, clear, and exact as the door or gate passes this point, then the
description of the invention, such as will en- spring begins to contract, and draws the door
able others skilled in the art to which it per- or gate either open or shut.
trains to make and use it, reference being had When this opening is not made between the
to the accompanying drawing, which forms extensions upon the hinge, there is a constant
part of this specification. strain upon the spring, which in a very short
My invention relates to an improvement in time injures it to such an extent that it be-
spring-hinges and it consists in forming an comes useless; but where the opening is made
opening or space through the back of the through the center of the hinge, there is only
hinge, so that all strain will be removed from a strain upon the spring in opening or closing
the spring after the door or gate has been the door or gate and the spring is made to
opened or closed past an angle of forty-five draw the gate shut or to open it fully out-
degrees, and so that the spring, which is placed ward after it has passed an angle of forty-five
between the extensions at right angles to the degrees.
plane of motion of the hinge, will either open As here shown, the spring serves to hold the
or close the door or gate after it has passed door either open or shut, as may be desired,
an angle of forty-five degrees, as will be here- and without the slightest strain upon the
inafter more fully described and claimed. spring.
The accompanying drawing represents my We are aware that springs have been used
invention. in connection with hinges, but not where there
a a represent the two halves of the hinge, is an opening made through the center of the
such as is used upon doors and gates, which hinge and the pivotal point of the hinge is
hinge may be cast or made from sheet-metal, thrown outward from the post or the fasten-
as shown. Each half of the hinge, at its in- ing, so that the hinge will act to open or to
ner end, has the extension e formed upon it, close the door or gate after it.has passed an
and through the outer ends of these extend angle of forty-five degrees.
sions are passed the separate pivot-pins by Having thus described my invention, I
which the two halves of the hinge are fastened claim-
together. These extensions are formed for the A hinge, a, provided with the right-angular
purpose of throwing the pivotal point of the extensions e, through the outer ends of which
hinge a suitable distance outward from the extensions the separate pivots are passed, in
post of the gate or frame of the door, so as to combination with the spring d, having one
allow the door or gate to move some distance end fastened to each leaf, and placed between
outward in opening and closing, as shown in the extensions c at right angles to plane of
the accompanying drawing. Between these motion of the hinge, substantially as shown.
extensions upon the lhinge is fastened the spi- In testimony that I claim the foregoing I
ral, rubber, or other suitable spring, d, which have hereunto set my hand this 2d day of
has its ends fastened to studs or projections February, 1878.
e, formed upon the top of the hinge or sides WILLIAM G. BARRY.
of the door or gate and their frame.
When the gate or door is closed or opened Witnesses:
backward to its full extent, there is no strain J. P. MORRIS,
whatever upon the spring; but from the time S. G. HUDDLE.
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Barry, William G. Improvement in Spring-Hinges., patent, June 24, 1879; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth169846/m1/2/: accessed June 22, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting UNT Libraries Government Documents Department.